9. Amazon Web Services - PowerPoint PPT Presentation

9. Amazon Web Services. Details of AWS design are not made public by Amazon!. Amazon’s Three Businesses. Amazon Web Services - AWS AWS consists of a big collection of building-block Cloud services .

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The services are designed to work independently, so that you can use one without having to know anything at all about the others.

They are, however, also designed to work well together.

In 2006,Amazon Web Services (AWS), a subsidiary of Amazon.com, began offering three web services that allowed organizations and individuals to use Amazon’s enterprise-class computing infrastructure on an as-needed basis and at commodity prices.

- Simple Storage Service (S3) allowed users to store data at a cost of a few cents per GBper month, with bandwidth priced at several cents per gigabyte transferred outside Amazon’s network.

- Simple Queue Service (SQS) provided a reliable messaging service, making it relatively straightforward to coordinate a cluster of computers on a parallelizable large-scale problem, at a cost of several cents per thousand messages.

All of these services weresold without startup fees, and with no minimum pricing, potentially making them attractive for individuals, universities and corporations alike.

Amazon Elastic Compute Cloud (Amazon EC2) is a web-based service that provides resizable computing capacity in the cloud - IaaS.

Amazon EC2 eliminates your need to invest in hardware up front and enables you to develop and deploy applications faster. You can use the web service interfaces to launch as many or as few virtual servers as you need, configure security and networking, and manage storage.

With Amazon EC2, you pay only for the resources that you use.

Amazon EC2 enables you to scale to handle your changes in requirements or spikes in popularity, reducing your need to forecast traffic.

EC2 allows scalable deployment of applications by providing a Web service through which a user can boot an Amazon Machine Image to create a virtual machine, which Amazon calls an "instance", containing any software desired.

A user can create, launch, and terminate server instances as needed, paying by the hour for active servers, hence the term "elastic".

EC2 provides users with control over the geographical location of instances that allows for latency optimization and high levels of redundancy.

In November 2010, Amazon switched its own retail website to EC2 and AWS.

Storage designed specifically for Amazon EC2 instances. Allows you to create volumes that can be mounted as devices by EC2 instances. Amazon EBS volumes behave as if they were raw unformatted external hard drives. They have user supplied device names and provide a block device interface. You can create a file system on top of Amazon EBS volumes, or use them in any other way you would use a block device.

You can create up to twenty Amazon EBS volumes of any size (from one GBup to one TB). Each Amazon EBS volume is independent of any individual EC2 instances and can be attached to any one of your instances (within the same availability zone) or can even exist unattached to an EC2 instance.